package a_软件架构设计原则.c单一职责原则;

/**
 * 重播类
 *
 * @author xuyaxu
 * @date 2022/7/10 13:36
 */
public class ReplayCourse {

    public void study(String courseName) {
        System.out.println(courseName + "可以反复回放");
    }
}
